["All means ‘every one’, ‘the complete number or amount’ or ‘the whole’. We use it most often as a determiner. We can use a countable noun or an uncountable noun after it: When all refers to a whole", "You use all to refer to a situation or to life in general. All is silent on the island now. As you'll have read in our news pages, all has not been well of late.", "1. Tired; exhausted. 2. Games Staking all of one's chips, as in poker. 3. Putting all of one's available resources into an effort: The governor mounted a halfhearted campaign for the presidency but didn't go", "ALL is an acute (fast-growing) leukemia that starts in lymphoid cells. ALL is an acute leukemia; it can progress quickly and usually needs to be treated right away. It is more common in children and teens", "the whole of (used in referring to quantity, extent, or duration): all the cake; all the way; all year. the whole number of (used in referring to individuals or particulars, taken collectively): all students.", "When 'all' is a pronoun, it can come with both singular and plural nouns. When 'all' refers to a group of people/things as a unified whole, it comes with a singular verb, but when 'all' refers to multiple groups"]